Gavin Seddon
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Accept 20 answers given by other contributors
Awarded to Gavin Seddon on 20 Jul 2017
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Frage
MAC MATLAB crashing on start up
Hello when i start MATLAB on my MAC it crashes I then start from an x11 terminal and i get /Applications/MATLAB_R2020a.app/C...
mehr als 4 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
plotting x and y differential
hello I have plotted x and y data and seen evidence of a bifurcation. I want to plot x vs diff y. this is what i did : ...
mehr als 4 Jahre vor | 1 Antwort | 0
1
AntwortFrage
using command to operate cftool
Hello I am using large data sets and cftool continually buffers. I have increased my memory to 96gb and the buffering remains...
fast 5 Jahre vor | 1 Antwort | 0
1
AntwortFrage
negative x axis meaning
Hello I have a vector plot created from multiple functions. The x axis values are incorrect and some are negative. Does matla...
fast 5 Jahre vor | 1 Antwort | 0
1
AntwortFrage
will increased memory solve buffering issues
Hello I have tables with many floating point values and when I try to use cftool my MAC starts buffering. It is a quad core i...
fast 5 Jahre vor | 1 Antwort | 0
1
AntwortFrage
viewing vectors from a table
Hello, My recent results have allowed me to generate a feather graph (found at: https://uk.mathworks.com/matlabcentral/answer...
etwa 5 Jahre vor | 1 Antwort | 0
1
AntwortFrage
incomplete graph from array
Hello, I have created an array of a table. a plot of the data shows a complete sine wave. When I plot the array using "con...
mehr als 5 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
matlab function not recognised by excel
Hello, I have generated a matlab function and then taken the second derivitive. I want to place this function within an...
mehr als 5 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
calculating x when y is > 0
Hello I have plotted a changing distance (d(x)) with time using cftool and calculated the function. Its derivative was calcula...
fast 6 Jahre vor | 1 Antwort | 0
1
AntwortFrage
linking table column label with symbolic function
hello using an uploaded table is it possible to define the column labels as symbolic functions? Thereby enabling subsequent sy...
mehr als 6 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
plotting derivative function against Y value
hello I have a distance/time graph and I want to plot the velocity against distance. I have created the velocity function v:eva...
mehr als 6 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Unsual gradient from gradient
Hello, when I try and calculate the gradient I receive slope = gradient (fx) slope = (7167*x^2)/25000 - (3523*...
fast 7 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Radian calculation from either differential or gradient
Hello, I have gradiant values (and their differentials). However, my motion is in a circle and mathematically the 2πrad may be ...
fast 7 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Using 0 1 chaos test
Hello, I have some noisy data which I would like to test for chaos. I have checked the web but cannot find the instructions for...
fast 7 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Substituting and evaluating function
I have attempted to substitute the X variable into my function and evaluate it. This is the result. If it is not possible please...
etwa 7 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Gradient is zero yet exists
Hello gradient (140,150), the answer is 0, but it exIhere is my error please? Also, is *diff* for calculating the derivative?...
etwa 7 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Import data to splinetool create spline with function
Hello, initially I created a spline with cftool. Is it possible to import the same data to splinetool and generate the function...
mehr als 7 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Creating phase plot from initial data
I have a data table with no associated function, is it possible to generate the vector field and phase diagram from this? GS....
mehr als 7 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Determining function for smoothing spline
Hello, my data when plotted resembles a plot of a sine function and consequently a polynomial curve will not converge. Therefor...
mehr als 7 Jahre vor | 1 Antwort | 0
1
AntwortFrage
slope at defined co-ordinates
Hello I have defined my distance function as d = (5757*x^3)/100000 - (2227*x^2)/10000 + (1303*x)/2500 + 25/2 I then diffe...
fast 8 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Gradient command producing multiple functions
Hello, when I use the gradient command I am given multiple functions as the answer. I assume these are the gradient at each 'ro...
fast 8 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
error when plotting function
hello, when i give this function i get the following error will someone please correct me ? >> fplot(@(a1*sin(b1*x+c1) + a2...
fast 8 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Multiplying spreadsheet column by variable
Hello can a spreadsheet column be multiplied by a variable of a function to generate a new column? g.
mehr als 8 Jahre vor | 1 Antwort | 0
1
AntwortFrage
getting an import error
hello when I try to Import data I receive Error using uiimport (line 142) Java exception occurred: java.lang.NullPointer...
mehr als 8 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
Error using plot command
hello, I am attempting to replot my data however I received this error Error using symengine The dimensions do not match. ...
mehr als 8 Jahre vor | 0 Antworten | 0
0
Antwortengenerating graph from curve fit plot
This can be found: http://uk.mathworks.com/help/curvefit/plot.html
mehr als 8 Jahre vor | 0
| akzeptiert
Frage
generating graph from curve fit plot
Hello, is it possible to use the fitted curve from cftool rather than use the function it has calculated to generate the grnap...
mehr als 8 Jahre vor | 1 Antwort | 0
1
AntwortFrage
.fig won't open
I have created a.fig file which is set to 'visible' however when I try and open this either using File >Open or openfig it is n...
mehr als 8 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
Function plot appears reversed
Hello, The plotted function Y value is e20 when it should be 13.6e1. So rather than a graph starting linear and going constant...
mehr als 8 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
Function plot limits produces errors
fplot (@(x) was used to generate a figure the resulting curve shape is wrong and errors are produced. The correct X minimum a...
mehr als 8 Jahre vor | 1 Antwort | 0
1
Antwort
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